Where to translate these strings?

[Fòram na Gàidhlig]

Sgrìobh AK na leanas 21/02/2016 aig 19:13:
> Hi! A user from our Russian Ubuntu forum asked where to translate some
> strings from Mozilla Thunderbird preferences: "Show in the messaging
> menu", "For messages in all folders", "Only for messages in my Inbox
> folder".
> 
> He posts a bug report
> (https://bugzilla.mozilla.org/show_bug.cgi?id=1247559) and received an
> answer: "It's from Messaging Menu and Unity Launcher integration plugin".
> Well, I found where is these strings in the source code
> (http://bazaar.launchpad.net/~extension-hackers/messagingmenu-extension/trunk/view/head:/locale/ru/messagingmenu.properties),
> but do somebody know where to translate them on Launchpad?

I haven't found anything either. You could translate the file and attach
it to a new bug.